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排序方式: 共有27条查询结果,搜索用时 15 毫秒
1.
This study investigates how children negotiate social norms with peers. In Study 1, 48 pairs of 3‐ and 5‐year‐olds (N = 96) and in Study 2, 48 pairs of 5‐ and 7‐year‐olds (N = 96) were presented with sorting tasks with conflicting instructions (one child by color, the other by shape) or identical instructions. Three‐year‐olds differed from older children: They were less selective for the contexts in which they enforced norms, and they (as well as the older children to a lesser extent) used grammatical constructions objectifying the norms (“It works like this” rather than “You must do it like this”). These results suggested that children's understanding of social norms becomes more flexible during the preschool years.  相似文献   
2.
This article considers the role of domestic knowledge capabilities for developing countries and emerging economies, and in particular in the build-up of their national systems of innovation. Using bibliometric methods, we describe the geographic sources of knowledge and the users of Brazilian research in 2005–2009, and analyze the roles of domestic and foreign knowledge bases in it. Our results suggest that increasing reliance on domestic sources of knowledge is a feature of Brazil's improved science and technology capabilities. The ascendancy of Brazil's research informs us about the unfolding re-organization of global research, too, underlining nascent South-South knowledge flows, the prevailing relevance of EU research, and the relative decline of US research for Brazilian knowledge creation.  相似文献   
3.
Reporting on research results to students, teachers and institutions is a big challenge within competence assessment research: students individually have to be given feedback about how they performed, teachers have to be provided with information about their classes, education authorities are interested in actual research results. For feedback being helpful for students, teachers and institutions, the following questions have to be thought of: (1) Who is the feedback given to? What is the aim of the feedback? (2) Which results shall be reported? (3) How should feedback theoretically look like? And (4) how does feedback depend on the given general framework? The given article discusses these questions and offers a “checklist” to research projects with a focus on competence assessment.  相似文献   
4.
Existing evidence suggests that children, when they first pass standard theory‐of‐mind tasks, still fail to understand the essential aspectuality of beliefs and other propositional attitudes: such attitudes refer to objects only under specific aspects. Oedipus, for example, believes Yocaste (his mother) is beautiful, but this does not imply that he believes his mother is beautiful. In three experiments, 3‐ to 6‐year‐olds' (N = 119) understanding of aspectuality was tested with a novel, radically simplified task. In contrast to all previous findings, this task was as difficult as and highly correlated with a standard false belief task. This suggests that a conceptual capacity more unified than previously assumed emerges around ages 4–5, a full‐fledged metarepresentational scheme of propositional attitudes.  相似文献   
5.
6.
The aim of this study was to contribute to the understanding of the effectiveness of formative assessment interventions by analysing how the quality of programme delivery affects students’ mathematics achievement and interest. Teachers (n = 17) implemented formative assessment in their ninth-grade mathematics classes and provided their students (n = 426) with written process-oriented feedback. Four feedback characteristics (number of feedback comments, specificity, feedback at self level, social reference norm) and two types of embedment of feedback in the instructional context (focus on feedback utilisation, focus on performance evaluation) were evaluated. Multilevel regression analyses revealed no significant effects of feedback characteristics on interest but negative effects of number of feedback comments and specificity on achievement in mathematics. Positive effects on mathematics achievement and interest were found when feedback was embedded in instruction and had emphasis on feedback utilisation. Students’ interest also was affected positively when performance evaluation was stressed.  相似文献   
7.
In 2007 Finland changed ownership rights to inventions from its employees – “the professor's privilege” – to universities. We investigate how this change affected academic patenting using new data on inventors and patenting in Finland for the period 1995–2010. Matched sample panel data regressions using difference-in-differences show that patenting by individuals dropped by at least 29 percent after 2007. Unlike other countries studied, in Finland the reform was known before implementation. Adding the period after announcement to the reform period increases the drop in academic patenting to 46 percent. Our and others’ results call into question whether the European reform of the professor's privilege were good innovation policy.  相似文献   
8.
This paper focuses on the international experience with early identification and intervention for children with AD/HD. Much less is known about AD/HD in two- to five-year-old preschool children than is known for older school-aged youngsters. Despite this lack of knowledge, AD/HD is increasingly recognized in this population and stimulant medication increasingly prescribed to treat it. The lack of control of temperamental patterns in preschoolers seems related to later observations of hyperactivity, attention problems and antisocial behaviours in school-aged children. The emergence and continuity of AD/HD-like behaviours is influenced not only by genetic, pre- and perinatal factors, but also by social context factors. All these influences interact with a child's developmental needs in complex ways according to a systemic bio-psychosocial model. The undiagnosed AD/HD child will often be labelled by parents as difficult and the family scapegoat. Because of the age of the children and the variety of ‘normal behaviour’ in this group, interventions should include systemic, environmental and play-centred approaches.  相似文献   
9.
Abstract

In this study, we examined the effects of a pre-acclimatization programme on endurance performance at moderate altitude using a resting intermittent hypoxia protocol. The time-trial performance of 11 cyclists was determined at low altitude (600 m). Athletes were randomly assigned in a double-blind fashion to the hypoxia or the control group. The pre-acclimatization programme consisted of seven sessions each lasting 1 h in normobaric hypoxia (inspired fraction of oxygen of 12.5%, equivalent to approximately 4500 m) for the hypoxia group (n = 6) and in normoxia (inspired fraction of oxygen of 20.9%) for the control group (n = 5). The time-trials were repeated at moderate altitude (1970 m). Mean power output during the time-trial at moderate altitude was decreased in the hypoxia group (?0.26 ± 0.11 W · kg?1) and in the control group (?0.13 ± 0.04 W · kg?1) compared with at low altitude but did not differ between groups (P = 0.13). Our results suggest that the applied protocol of intermittent hypoxia had no positive effect on endurance performance at moderate altitude. Whether different intermittent hypoxia protocols are advantageous remains to be determined.  相似文献   
10.
ABSTRACT

The Internet has become a pivotal source of information among university students. However, studies routinely show that many students lack digital information literacy skills (i.e. skills needed to find and evaluate information online). In this paper, we report results from an experimental study testing the effect of a workshop for third-year students of a German university. The workshop was designed to teach relevant information literacy skills in a computer lab. Afterwards, students were given academic search tasks and their search behavior was recorded with a tracking device. We find that, compared with the control group, workshop participants significantly increased their use of academic databases and cited more articles from scholarly journals. On the other hand, we find no effect on the relevance of the content students found online. Teaching digital information literacy is essential and feasible, but it is no panacea for increasing the academic quality of students’ work.  相似文献   
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